This ST1 bearing is a Cast Iron Take Up Bearing Unit. The bearing's dimensions are 1 Inch Shaft Diameter. ST1 1025-1G3 Self Lube Cast Iron Take-up Bearing Unit   Set Screw Lock - Long Inner Ring Bearing Insert Casting Group

This ST1FS bearing is a Cast Iron Take Up Bearing Unit with a bearing insert fitted with flinger seals. The bearing's dimensions are 1 Inch Shaft Diameter. ST1FS1025-1G3 Self Lube Cast Iron Take-up Bearing Unit   2 Flinger Seals Bearing Insert...

This ST1HLT bearing is a Cast Iron Take Up Bearing Unit with a high/low temperature bearing insert. The bearing's dimensions are 1 Inch Shaft Diameter. ST1HLT1025-1G3 Self Lube Cast Iron Take-up Bearing Unit   High/Low Temperature Insert Bearing...